MIL-PRF-22E
TABLE I. Electrical off position.
Symbol
Electrical off position
1
No electrical off position.
2
Electrical off position at end of rotation of control knob in a counterclockwise direction.
3
Electrical off position at end of rotation of control knob in a clockwise direction.
TABLE II. Style of shaft and type of mounting.
Type of mounting
Style
Bushing
Two hole
Symbol
of shaft
.125 inch diameter shaft
.250 inch diameter shaft
.375 inch
diameter shaft
Standard
Locking
Standard
Locking
F
Flatted
X
X
S
Slotted
X
X
T
Flatted
X
U
Slotted
X
X
TABLE III. Length of operating shaft.
Standard length of shaft measured for mounting surface of resistor
Flatted
Slotted
.250 inch
.375 inch
.125 inch
.250 inch
Symbol
diameter shaft
diameter shaft
diameter shaft
diameter shaft
Standard
Locking
Two hole
Standard
Locking
Standard
Locking
bushing
bushing
mounting
bushing
bushing
bushing
bushing
Inches (0.0469)
A
0.500
B
0.625
0.625
0.625
D
0.875
1.250
0.875
0.875
0.875
G
1.250
H
1.500
1.500
1.500
1.500
J
2.000
2.000
2.000
2.000
K
2.500 1/
2.500 1/
2.500
2.500
N
4.000
4.000
R
6.000
6.000
S
0.375
1/ This shaft is to be flatted within 0.156 inch of the mounting bushing (or mounting surface if no bushing is
present).
2
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